Senior Scientific Director, Protein Engineering

Who We Are:

Neurocrine Biosciences is a leading biopharmaceutical company with a simple purpose: to relieve suffering for people with great needs. We are dedicated to discovering, developing and commercializing life‑changing treatments for patients with under‑addressed neurological, psychiatric, endocrine and immunological disorders. The company's diverse portfolio includes FDA‑approved treatments for tardive dyskinesia, chorea associated with Huntington's disease, classic congenital adrenal hyperplasia, hyperphagia in Prader‑Willi syndrome, endometriosis
* and uterine fibroids*, as well as a robust pipeline including multiple compounds in mid‑ to late‑phase clinical development across our core therapeutic areas. For more than three decades, we have applied our unique insight into neuroscience and the interconnections between brain and body systems to treat complex conditions. We relentlessly pursue medicines to ease the burden of debilitating diseases and disorders, because you deserve brave science.

For more information, visit , and follow the company on Linked In, X, Facebook and You Tube. (
* in collaboration with Abb Vie)

The Senior Scientific Director, Protein Engineering provides scientific and strategic leadership for Neurocrine’s protein engineering and biologics discovery capabilities. This individual will lead an established team of protein engineers while expanding the organization’s technical expertise, platforms, and capabilities to enable the discovery and development of next‑generation biotherapeutics. The successful candidate will be an accomplished scientific leader with a demonstrated record of innovation in antibody and protein engineering, biologics drug discovery, and organizational leadership.

This role partners closely with Discovery Biology, Pharmacology, Translational Sciences, CMC, Preclinical Development, and external collaborators to advance protein therapeutic programs from target identification through candidate selection and IND‑enabling studies.

• Scientific Leadership Lead and provide strategic direction for Neurocrine’s Protein Engineering function, establishing scientific priorities that support the company’s biologics portfolio
• Guide discovery programs from target assessment through lead generation, optimization, candidate selection, and transition into development
• Drive innovation in antibody and protein engineering technologies to enable novel therapeutic modalities and differentiated biologics
• Evaluate and implement emerging technologies, platforms, and computational approaches that enhance biologics discovery
• Organizational Leadership Lead, mentor, and develop an existing high‑performing team of protein engineers while recruiting additional scientific talent to support portfolio growth
• Foster a collaborative, innovative, and inclusive scientific culture that promotes technical excellence and career development
• Build organizational capabilities through investment in new technologies, workflows, and scientific expertise
• Establish and maintain productive collaborations with CROs, academic partners, and strategic technology providers
• Drug Discovery & Cross‑Functional Collaboration Partner with multidisciplinary teams to accelerate biologics programs through discovery and into IND‑enabling studies
• Provide scientific leadership in candidate selection, develop ability assessment, and optimization strategies
• Contribute to portfolio strategy, program governance, and decision‑making through data‑driven scientific recommendations
• Ensure protein engineering activities align with project timelines, quality standards, and strategic objectives
• Scientific Excellence Maintain expertise in advances in protein…